Project, which begins principal photography in New York this month, reteams Reitman and scribe Diablo Cody, whose “Juno” cumed $227 million at the worldwide box office. Mandate also financed and produced that film.

Lianne Halfon and Russell Smith of Mr. Mudd Prods. are producing “Young Adult” with Mason Novick, Cody, Reitman and Theron’s Denver & Delilah Films. Reitman produces through his banner Right of Way Films.